PIAGGIO Beverly Tourer 300 i.e. Service Station Manual page 173

Beverly Tourer 300 i.e.
The control unit is provided with a self-diagnosis
system connected to an indicator light in the in-
strument panel.
Failures are detected and restored by the diag-
nostic tester.
In any case, when the fault is no longer present,
the data storage is automatically cleared after 16
cycles of use (cold start, running at regular engine
temperature, stop).
The diagnostic tester is also required to adjust the
idle mixture.
Specific tooling
020680Y Diagnosis Tool
The MIU injection-ignition system carries out
checks on the rpm indicator and the electric fan for
radiator cooling.
The MIU control unit has a decoder for the anti-
theft immobilizer system.
The MIU control unit is connected to a diagnostic
LED on the instrument panel, that also carries out
the deterrent flashing functions.
The MIU control unit power supply is furthermore controlled by the emergency switch; to allow further
safety of the scooter.
Precautions
1 A MIU failure is more likely to be due to the connections than to the components.
Before troubleshooting the MIU system, carry out the following checks:
A: Electrical power supply
a.Battery voltage
b.Burnt fuse
c.Remote control switches
Troubleshooting hints
Injection
INJEC - 173